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115 lines
2.8 KiB
115 lines
2.8 KiB
/*
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This file is part of qxx -- matrix algebra in exact arithmetic
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Copyright (C) 2013-2014 Laurent Poirrier
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libp is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, version 3 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pxx. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QXX_TYPES_H
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#define QXX_TYPES_H
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#include <cstdio>
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#include <iostream>
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#include <gmp.h>
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// **************************************************************************
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//
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// **************************************************************************
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namespace q {
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// **************************************************************************
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//
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// **************************************************************************
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class mpq {
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public:
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mpq();
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mpq(const mpq &b);
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mpq(long num, long den);
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mpq(int num, int den);
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mpq(long i);
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mpq(int i);
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mpq(double d);
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mpq(const char *s);
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~mpq();
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const mpq &operator+() const;
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mpq operator-() const;
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mpq operator+(const mpq &b) const;
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mpq operator-(const mpq &b) const;
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mpq operator*(const mpq &b) const;
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mpq operator/(const mpq &b) const;
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mpq &operator=(const mpq &b);
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mpq &operator=(int i);
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mpq &operator+=(const mpq &b);
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mpq &operator-=(const mpq &b);
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mpq &operator*=(const mpq &b);
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mpq &operator/=(const mpq &b);
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bool operator<(const mpq &b) const;
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bool operator>(const mpq &b) const;
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bool operator<=(const mpq &b) const;
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bool operator>=(const mpq &b) const;
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bool operator==(const mpq &b) const;
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bool operator!=(const mpq &b) const;
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void set_neg();
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void set_neg(const mpq &b);
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void set_inv();
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void set_inv(const mpq &b);
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void set_abs();
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void set_abs(const mpq &b);
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mpq neg() const;
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mpq inv() const;
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mpq abs() const;
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int sign() const;
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mpq num() const;
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mpq den() const;
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int bits() const;
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mpq frac() const;
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mpq floor() const;
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mpq trunc() const;
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mpq ceil() const;
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long get_long_num() const;
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long get_long_den() const;
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double get_double() const;
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mpq reduce(mpq max_den) const;
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void fdump(FILE *f, const std::string &name = "") const;
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void dump(const std::string &name = "") const;
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public:
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mpq_t v;
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};
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// **************************************************************************
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//
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// **************************************************************************
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std::ostream &operator<<(std::ostream &os, const mpq &v);
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// **************************************************************************
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//
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// **************************************************************************
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}
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#endif
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